smb: common: fix fields sizes in compression_pattern_payload_v1

See protocol documentation in MS-SMB2 section 2.2.42.2.2
Signed-off-by: Enzo Matsumiya <ematsumiya@suse.de>
Signed-off-by: Steve French <stfrench@microsoft.com>

fs/smb/common/smb2pdu.h

@@ -238,8 +238,8 @@ struct smb2_compression_transform_hdr_chained {
 
 /* See MS-SMB2 2.2.42.2.2 */
 struct compression_pattern_payload_v1 {
-	__le16	Pattern;
-	__le16	Reserved1;
+	__u8	Pattern;
+	__u8	Reserved1;
 	__le16	Reserved2;
 	__le32	Repetitions;
 } __packed;